/* Logo mode sombre */
.logo-img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  display: block;
  margin: auto;
  filter: drop-shadow(0 2px 8px rgba(30,143,110,0.12));
  transition: filter 0.3s;
  scale: 1.7;
}
html[data-theme="dark"] .logo-img {
  filter: brightness(0.7) drop-shadow(0 2px 8px rgba(99,210,161,0.18));
}
/*
 * Theme reset: centralise variables and color tokens for light/dark modes.
 * This file should be loaded before style.css so layouts can reuse the tokens.
 */

:root {
  color-scheme: light;
  --bg: #f3f5f4;
  --bg-soft: #ffffff;
  --bg-muted: #ecf2ef;
  --text: #0f2f22;
  --text-muted: #5c6d65;
  --text-invert: #ffffff;
  --primary: #1e8f6e;
  --primary-soft: #63d2a1;
  --border: #d7e2dd;
  --border-strong: #b7c4be;
  --shadow-sm: 0 4px 12px rgba(10, 40, 25, 0.06);
  --shadow-md: 0 12px 28px rgba(10, 40, 25, 0.10);
  --shadow-lg: 0 20px 44px rgba(10, 40, 25, 0.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --ring: 0 0 0 3px rgba(30, 143, 110, 0.22);
  --transition-fast: 120ms;
  --transition: 240ms;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1513;
  --bg-soft: #161c1a;
  --bg-muted: #1b211f;
  --text: #e5f1ec;
  --text-muted: #9bb2aa;
  --text-invert: #101513;
  --primary: #63d2a1;
  --primary-soft: #89e7bb;
  --border: #283632;
  --border-strong: #3a4944;
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 14px 34px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 24px 52px rgba(0, 0, 0, 0.55);
  --ring: 0 0 0 3px rgba(99, 210, 161, 0.28);
}

body {
  background: var(--bg);
  color: var(--text);
  transition: background 0.35s ease, color 0.35s ease;
}

/* Generic surfaces */
.card,
.idea,
.idea-detail,
.idea-selector,
.idea-card {
  background: var(--bg-soft);
  color: var(--text);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
}

html[data-theme="dark"] .card,
html[data-theme="dark"] .idea,
html[data-theme="dark"] .idea-detail,
html[data-theme="dark"] .idea-selector,
html[data-theme="dark"] .idea-card {
  background: var(--bg-soft);
  border-color: var(--border);
}

/* Idea specific blocks */
.idea {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px;
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-sm);
}

.idea:hover {
  box-shadow: var(--shadow-md);
}

.idea-detail {
  margin-top: 14px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
}

.idea-detail:hover {
  box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
  color: var(--text-invert);
  background: linear-gradient(90deg, var(--primary), var(--primary-soft));
  border-radius: 999px;
  border: none;
  box-shadow: 0 12px 28px rgba(30, 143, 110, 0.16);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
}

.btn-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}

.btn-tertiary {
  background: transparent;
  color: var(--text-muted);
  border: none;
  box-shadow: none;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

/* Theme toggle */
.theme-toggle-btn {
  background: var(--bg-soft);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  box-shadow: var(--shadow-md);
}

html[data-theme="dark"] .theme-toggle-btn {
  background: var(--bg-muted);
}